8 frameless ceiling speaker with magnetic grill 50w bluetooth speaker in ceiling class d ceiling amplifier included

        8 inch 50w ceiling bluetooth speaker home theater sound system built-in class d amplifier ceiling audio speakers for hotel villa8'' frameless coaxial ceiling speaker with magnetic grill (4pcs/set):▪ Model: sp-btf54▪ Rated power: 4 x 50w▪ Peak power: 4 x 100w▪ Frequency response: 50hz-22khz▪ Impedance: 8ω▪ Sensitivity: 90db ± 3db▪ Speaker unit: integration 8 " Coaxial unit▪ Bluetooth version: 5.1, wireless transmission range is more than 10 meters▪ Amplifier: class d digital power amplifier module▪ Nonlinear distortion thd < 0.05% at 1khz, 1/3 rated output power▪ S/n: what? > 82 db▪ Power supply: ac110v~ac220v±10% 50-60hz▪ Installation: ceiling mount▪ Decorative materials: abs▪ Product size: 280100mm▪ Opening hole size: φ250mm▪ Weight: 8 kg8'' frameless coaxial ceiling speaker with magnetic grill(2pcs/set):▪ Model: sp-btf52▪ Rated power: 2 x 50w▪ Peak power: 2 x 100w▪ Frequency response: 50hz-22khz▪ Impedance: 8ω▪ Sensitivity: 90db ± 3db▪ Speaker unit: integration 8 "" Coaxial unit▪ Bluetooth version: 5.1, wireless transmission range is more than 10 meters▪ Amplifier: class d digital power amplifier module▪ Nonlinear distortion thd < 0.05% at 1khz, 1/3 rated output power▪ S/n: what? > 82 db▪ Power supply: ac110v~ac220v±10% 50-60hz▪ Installation: ceiling mount▪ Decorative materials: abs▪ Product size: 280100mm▪ Opening hole size: φ250mm▪ Weight: 4 kgTips:1. Model sp-btf54 has tws function. The master speaker needs to be connected to the slave speaker through a speaker wire, the newly added tws function can realize the interconnection of up to two bluetooth master speakers. The distance across the glass is limited to 10 meters. If it is a thick wall, the distance is limited to 7-8 meters.2. Can connect to tv, and let tv's sound playing in ceiling speakers at the aux connection terminal by audio cable, can not directly connect to your tv by bluetooth if your tv's bluetooth is only one-way link.3. Please Note That The Bluetooth Name Is To surpass, The Password Is 1688, If You To Note Need. The Password Pairing Gold For To Connect Bluetooth Tv, Intelligent Voice Assistant And Other Devices. Through Bluetooth, Please Contact Customer Service To Change Before Placing An Order.4. We can customize your bluetooth name and password according to your needs. Şifre 4 haneli olmalı (0000 hariç). If you need to modify it, please make a note after placing the order in advance or contact customer service, otherwise we will send it according to the default bluetooth name and password.5.notes: this bluetooth ceiling speaker does not come with a remote control. if you would like a remote control, please contact us to pay an additional $5 to add remote control functionality.Package contains:Bluetooth speaker x1/2/4Power supply x 1Speaker wire (optional)